68401281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^2$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 100132480

約数和(自身を除く): 31731199

約数列:

[1, 3, 13, 39, 79, 149, 237, 447, 1027, 1937, 3081, 5811, 11771, 22201, 35313, 66603, 153023, 288613, 459069, 865839, 1753879, 5261637, 22800427, 68401281]

約数ペア:

[(1, 68401281), (3, 22800427), (13, 5261637), (39, 1753879), (79, 865839), (149, 459069), (237, 288613), (447, 153023), (1027, 66603), (1937, 35313), (3081, 22201), (5811, 11771)]